Home / 1,231,473.50-1,699,716.76-722,339.90

Finding the Fourth Proportional to 1,231,473.50, 1,699,716.76 and 722,339.90

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Solution

The fourth proportional to 1,231,473.50, 1,699,716.76 and 722,339.90 is: 996,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,473.50 : 1,699,716.76 = 722,339.90 : x
  2. Step 2: Convert to fraction form
    1,231,473.50/1,699,716.76 = 722,339.90/x
  3. Step 3: Cross multiply
    1,231,473.50x = 1,699,716.76 × 722,339.90
  4. Step 4: Simplify right side
    1,231,473.50x = 1,227,773,224,142.29
  5. Step 5: Solve for x
    x = 1,227,773,224,142.29/1,231,473.50
  6. Step 6: Final answer
    x = 996,995.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.